A chronological list of the important events for
the topic "Herman Hollerith"
Timeline
1860 Born
1887 Herman Hollerith receives a patentPatent A patent is a set of exclusive right [i]s granted by a state [i] to a patentee for a fixed period of time [i] ...
for his punch card calculatorCalculator A calculator is a device for performing calculation [i]s. ...
.
1889 Herman Hollerith receives a patent for his electric tabulating machine
1890 U.S. Census - Herman Hollerith devises a method using punch cards (like Jacquard's loom) to tabulate census data by machine. (see also History of computing hardwareHistory of computing hardware Computing hardware has been an important component of the process of calculation and data storage [i] si ...
). Hollerith's company eventually becomes IBM.
1890 The United States Census BureauUnited States Census Bureau The United States Census Bureau is a part of the United States Department of Commerce [i]. ...
begins using Herman Hollerith's tabulating machine to count censusCensus A census is the process of obtaining information about every member of a population [i] . ...
Timeline
